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96a24ec8ea
wine/dlls/ddraw/helper.c
Lionel Ulmer 96a24ec8ea Added surface dumping function for debug.
2002-12-19 04:13:46 +00:00

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/* DirectDraw Base Functions
*
* Copyright 1997-1999 Marcus Meissner
* Copyright 1998 Lionel Ulmer (most of Direct3D stuff)
* Copyright 2000 TransGaming Technologies Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stddef.h>
#include <stdio.h>
#include "d3d.h"
#include "ddraw.h"
#include "winerror.h"
#include "wine/exception.h"
#include "ddraw_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
/******************************************************************************
* debug output functions
*/
void DDRAW_dump_flags_(DWORD flags, const flag_info* names,
size_t num_names, int newline)
{
unsigned int i;
for (i=0; i < num_names; i++)
if ((flags & names[i].val) || /* standard flag value */
((!flags) && (!names[i].val))) /* zero value only */
DPRINTF("%s ", names[i].name);
if (newline)
DPRINTF("\n");
}
void DDRAW_dump_members(DWORD flags, const void* data,
const member_info* mems, size_t num_mems)
{
unsigned int i;
for (i=0; i < num_mems; i++)
{
if (mems[i].val & flags)
{
DPRINTF(" - %s : ", mems[i].name);
mems[i].func((const char *)data + mems[i].offset);
DPRINTF("\n");
}
}
}
void DDRAW_dump_DDBLTFX(DWORD flagmask)
{
static const flag_info flags[] =
{
FE(DDBLTFX_ARITHSTRETCHY),
FE(DDBLTFX_MIRRORLEFTRIGHT),
FE(DDBLTFX_MIRRORUPDOWN),
FE(DDBLTFX_NOTEARING),
FE(DDBLTFX_ROTATE180),
FE(DDBLTFX_ROTATE270),
FE(DDBLTFX_ROTATE90),
FE(DDBLTFX_ZBUFFERRANGE),
FE(DDBLTFX_ZBUFFERBASEDEST)
};
DDRAW_dump_flags(flagmask, flags, sizeof(flags)/sizeof(flags[0]));
}
void DDRAW_dump_DDBLTFAST(DWORD flagmask)
{
static const flag_info flags[] =
{
FE(DDBLTFAST_NOCOLORKEY),
FE(DDBLTFAST_SRCCOLORKEY),
FE(DDBLTFAST_DESTCOLORKEY),
FE(DDBLTFAST_WAIT)
};
DDRAW_dump_flags(flagmask, flags, sizeof(flags)/sizeof(flags[0]));
}
void DDRAW_dump_DDBLT(DWORD flagmask)
{
static const flag_info flags[] =
{
FE(DDBLT_ALPHADEST),
FE(DDBLT_ALPHADESTCONSTOVERRIDE),
FE(DDBLT_ALPHADESTNEG),
FE(DDBLT_ALPHADESTSURFACEOVERRIDE),
FE(DDBLT_ALPHAEDGEBLEND),
FE(DDBLT_ALPHASRC),
FE(DDBLT_ALPHASRCCONSTOVERRIDE),
FE(DDBLT_ALPHASRCNEG),
FE(DDBLT_ALPHASRCSURFACEOVERRIDE),
FE(DDBLT_ASYNC),
FE(DDBLT_COLORFILL),
FE(DDBLT_DDFX),
FE(DDBLT_DDROPS),
FE(DDBLT_KEYDEST),
FE(DDBLT_KEYDESTOVERRIDE),
FE(DDBLT_KEYSRC),
FE(DDBLT_KEYSRCOVERRIDE),
FE(DDBLT_ROP),
FE(DDBLT_ROTATIONANGLE),
FE(DDBLT_ZBUFFER),
FE(DDBLT_ZBUFFERDESTCONSTOVERRIDE),
FE(DDBLT_ZBUFFERDESTOVERRIDE),
FE(DDBLT_ZBUFFERSRCCONSTOVERRIDE),
FE(DDBLT_ZBUFFERSRCOVERRIDE),
FE(DDBLT_WAIT),
FE(DDBLT_DEPTHFILL)
};
DDRAW_dump_flags(flagmask, flags, sizeof(flags)/sizeof(flags[0]));
}
void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in)
{
static const flag_info flags[] = {
FE(DDSCAPS_RESERVED1),
FE(DDSCAPS_ALPHA),
FE(DDSCAPS_BACKBUFFER),
FE(DDSCAPS_COMPLEX),
FE(DDSCAPS_FLIP),
FE(DDSCAPS_FRONTBUFFER),
FE(DDSCAPS_OFFSCREENPLAIN),
FE(DDSCAPS_OVERLAY),
FE(DDSCAPS_PALETTE),
FE(DDSCAPS_PRIMARYSURFACE),
FE(DDSCAPS_PRIMARYSURFACELEFT),
FE(DDSCAPS_SYSTEMMEMORY),
FE(DDSCAPS_TEXTURE),
FE(DDSCAPS_3DDEVICE),
FE(DDSCAPS_VIDEOMEMORY),
FE(DDSCAPS_VISIBLE),
FE(DDSCAPS_WRITEONLY),
FE(DDSCAPS_ZBUFFER),
FE(DDSCAPS_OWNDC),
FE(DDSCAPS_LIVEVIDEO),
FE(DDSCAPS_HWCODEC),
FE(DDSCAPS_MODEX),
FE(DDSCAPS_MIPMAP),
FE(DDSCAPS_RESERVED2),
FE(DDSCAPS_ALLOCONLOAD),
FE(DDSCAPS_VIDEOPORT),
FE(DDSCAPS_LOCALVIDMEM),
FE(DDSCAPS_NONLOCALVIDMEM),
FE(DDSCAPS_STANDARDVGAMODE),
FE(DDSCAPS_OPTIMIZED)
};
static const flag_info flags2[] = {
FE(DDSCAPS2_HARDWAREDEINTERLACE),
FE(DDSCAPS2_HINTDYNAMIC),
FE(DDSCAPS2_HINTSTATIC),
FE(DDSCAPS2_TEXTUREMANAGE),
FE(DDSCAPS2_RESERVED1),
FE(DDSCAPS2_RESERVED2),
FE(DDSCAPS2_OPAQUE),
FE(DDSCAPS2_HINTANTIALIASING),
FE(DDSCAPS2_CUBEMAP),
FE(DDSCAPS2_CUBEMAP_POSITIVEX),
FE(DDSCAPS2_CUBEMAP_NEGATIVEX),
FE(DDSCAPS2_CUBEMAP_POSITIVEY),
FE(DDSCAPS2_CUBEMAP_NEGATIVEY),
FE(DDSCAPS2_CUBEMAP_POSITIVEZ),
FE(DDSCAPS2_CUBEMAP_NEGATIVEZ),
FE(DDSCAPS2_MIPMAPSUBLEVEL),
FE(DDSCAPS2_D3DTEXTUREMANAGE),
FE(DDSCAPS2_DONOTPERSIST),
FE(DDSCAPS2_STEREOSURFACELEFT)
};
DDRAW_dump_flags_(in->dwCaps, flags, sizeof(flags)/sizeof(flags[0]), 0);
DDRAW_dump_flags_(in->dwCaps2, flags2, sizeof(flags2)/sizeof(flags2[0]), 0);
}
void DDRAW_dump_DDSCAPS(const DDSCAPS *in) {
DDSCAPS2 in_bis;
in_bis.dwCaps = in->dwCaps;
in_bis.dwCaps2 = 0;
in_bis.dwCaps3 = 0;
in_bis.dwCaps4 = 0;
DDRAW_dump_DDSCAPS2(&in_bis);
}
void DDRAW_dump_pixelformat_flag(DWORD flagmask)
{
static const flag_info flags[] =
{
FE(DDPF_ALPHAPIXELS),
FE(DDPF_ALPHA),
FE(DDPF_FOURCC),
FE(DDPF_PALETTEINDEXED4),
FE(DDPF_PALETTEINDEXEDTO8),
FE(DDPF_PALETTEINDEXED8),
FE(DDPF_RGB),
FE(DDPF_COMPRESSED),
FE(DDPF_RGBTOYUV),
FE(DDPF_YUV),
FE(DDPF_ZBUFFER),
FE(DDPF_PALETTEINDEXED1),
FE(DDPF_PALETTEINDEXED2),
FE(DDPF_ZPIXELS)
};
DDRAW_dump_flags_(flagmask, flags, sizeof(flags)/sizeof(flags[0]), 0);
}
void DDRAW_dump_paletteformat(DWORD dwFlags)
{
static const flag_info flags[] =
{
FE(DDPCAPS_4BIT),
FE(DDPCAPS_8BITENTRIES),
FE(DDPCAPS_8BIT),
FE(DDPCAPS_INITIALIZE),
FE(DDPCAPS_PRIMARYSURFACE),
FE(DDPCAPS_PRIMARYSURFACELEFT),
FE(DDPCAPS_ALLOW256),
FE(DDPCAPS_VSYNC),
FE(DDPCAPS_1BIT),
FE(DDPCAPS_2BIT),
FE(DDPCAPS_ALPHA)
};
DDRAW_dump_flags(dwFlags, flags, sizeof(flags)/sizeof(flags[0]));
}
void DDRAW_dump_pixelformat(const DDPIXELFORMAT *pf) {
DPRINTF("( ");
DDRAW_dump_pixelformat_flag(pf->dwFlags);
if (pf->dwFlags & DDPF_FOURCC) {
DPRINTF(", dwFourCC code '%c%c%c%c' (0x%08lx) - %ld bits per pixel",
(unsigned char)( pf->dwFourCC &0xff),
(unsigned char)((pf->dwFourCC>> 8)&0xff),
(unsigned char)((pf->dwFourCC>>16)&0xff),
(unsigned char)((pf->dwFourCC>>24)&0xff),
pf->dwFourCC,
pf->u1.dwYUVBitCount
);
}
if (pf->dwFlags & DDPF_RGB) {
char *cmd;
DPRINTF(", RGB bits: %ld, ", pf->u1.dwRGBBitCount);
switch (pf->u1.dwRGBBitCount) {
case 4: cmd = "%1lx"; break;
case 8: cmd = "%02lx"; break;
case 16: cmd = "%04lx"; break;
case 24: cmd = "%06lx"; break;
case 32: cmd = "%08lx"; break;
default: ERR("Unexpected bit depth !\n"); cmd = "%d"; break;
}
DPRINTF(" R "); DPRINTF(cmd, pf->u2.dwRBitMask);
DPRINTF(" G "); DPRINTF(cmd, pf->u3.dwGBitMask);
DPRINTF(" B "); DPRINTF(cmd, pf->u4.dwBBitMask);
if (pf->dwFlags & DDPF_ALPHAPIXELS) {
DPRINTF(" A "); DPRINTF(cmd, pf->u5.dwRGBAlphaBitMask);
}
if (pf->dwFlags & DDPF_ZPIXELS) {
DPRINTF(" Z "); DPRINTF(cmd, pf->u5.dwRGBZBitMask);
}
}
if (pf->dwFlags & DDPF_ZBUFFER) {
DPRINTF(", Z bits : %ld", pf->u1.dwZBufferBitDepth);
}
if (pf->dwFlags & DDPF_ALPHA) {
DPRINTF(", Alpha bits : %ld", pf->u1.dwAlphaBitDepth);
}
DPRINTF(")");
}
void DDRAW_dump_colorkeyflag(DWORD ck)
{
static const flag_info flags[] =
{
FE(DDCKEY_COLORSPACE),
FE(DDCKEY_DESTBLT),
FE(DDCKEY_DESTOVERLAY),
FE(DDCKEY_SRCBLT),
FE(DDCKEY_SRCOVERLAY)
};
DDRAW_dump_flags(ck, flags, sizeof(flags)/sizeof(flags[0]));
}
void DDRAW_dump_lockflag(DWORD lockflag)
{
static const flag_info flags[] =
{
FE(DDLOCK_SURFACEMEMORYPTR),
FE(DDLOCK_WAIT),
FE(DDLOCK_EVENT),
FE(DDLOCK_READONLY),
FE(DDLOCK_WRITEONLY),
FE(DDLOCK_NOSYSLOCK),
FE(DDLOCK_DISCARDCONTENTS),
FE(DDLOCK_NOOVERWRITE)
};
DDRAW_dump_flags(lockflag, flags, sizeof(flags)/sizeof(flags[0]));
}
static void DDRAW_dump_DWORD(const void *in) {
DPRINTF("%ld", *((const DWORD *) in));
}
static void DDRAW_dump_PTR(const void *in) {
DPRINTF("%p", *((const void **) in));
}
void DDRAW_dump_DDCOLORKEY(const DDCOLORKEY *ddck) {
DPRINTF(" Low : %ld - High : %ld", ddck->dwColorSpaceLowValue, ddck->dwColorSpaceHighValue);
}
void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd)
{
#define STRUCT DDSURFACEDESC2
static const member_info members[] =
{
ME(DDSD_HEIGHT, DDRAW_dump_DWORD, dwHeight),
ME(DDSD_WIDTH, DDRAW_dump_DWORD, dwWidth),
ME(DDSD_PITCH, DDRAW_dump_DWORD, u1.lPitch),
ME(DDSD_LINEARSIZE, DDRAW_dump_DWORD, u1.dwLinearSize),
ME(DDSD_BACKBUFFERCOUNT, DDRAW_dump_DWORD, dwBackBufferCount),
ME(DDSD_MIPMAPCOUNT, DDRAW_dump_DWORD, u2.dwMipMapCount),
ME(DDSD_REFRESHRATE, DDRAW_dump_DWORD, u2.dwRefreshRate),
ME(DDSD_ALPHABITDEPTH, DDRAW_dump_DWORD, dwAlphaBitDepth),
ME(DDSD_LPSURFACE, DDRAW_dump_PTR, lpSurface),
ME(DDSD_CKDESTOVERLAY, DDRAW_dump_DDCOLORKEY, u3.ddckCKDestOverlay),
ME(DDSD_CKDESTBLT, DDRAW_dump_DDCOLORKEY, ddckCKDestBlt),
ME(DDSD_CKSRCOVERLAY, DDRAW_dump_DDCOLORKEY, ddckCKSrcOverlay),
ME(DDSD_CKSRCBLT, DDRAW_dump_DDCOLORKEY, ddckCKSrcBlt),
ME(DDSD_PIXELFORMAT, DDRAW_dump_pixelformat, u4.ddpfPixelFormat)
};
static const member_info members_caps[] =
{
ME(DDSD_CAPS, DDRAW_dump_DDSCAPS, ddsCaps)
};
static const member_info members_caps2[] =
{
ME(DDSD_CAPS, DDRAW_dump_DDSCAPS2, ddsCaps)
};
#undef STRUCT
if (lpddsd->dwSize >= sizeof(DDSURFACEDESC2)) {
DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members_caps2, 1);
} else {
DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members_caps, 1);
}
DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members,
sizeof(members)/sizeof(members[0]));
}
void DDRAW_dump_cooperativelevel(DWORD cooplevel)
{
static const flag_info flags[] =
{
FE(DDSCL_FULLSCREEN),
FE(DDSCL_ALLOWREBOOT),
FE(DDSCL_NOWINDOWCHANGES),
FE(DDSCL_NORMAL),
FE(DDSCL_ALLOWMODEX),
FE(DDSCL_EXCLUSIVE),
FE(DDSCL_SETFOCUSWINDOW),
FE(DDSCL_SETDEVICEWINDOW),
FE(DDSCL_CREATEDEVICEWINDOW)
};
if (TRACE_ON(ddraw))
{
DPRINTF(" - ");
DDRAW_dump_flags(cooplevel, flags, sizeof(flags)/sizeof(flags[0]));
}
}
void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps) {
static const flag_info flags1[] = {
FE(DDCAPS_3D),
FE(DDCAPS_ALIGNBOUNDARYDEST),
FE(DDCAPS_ALIGNSIZEDEST),
FE(DDCAPS_ALIGNBOUNDARYSRC),
FE(DDCAPS_ALIGNSIZESRC),
FE(DDCAPS_ALIGNSTRIDE),
FE(DDCAPS_BLT),
FE(DDCAPS_BLTQUEUE),
FE(DDCAPS_BLTFOURCC),
FE(DDCAPS_BLTSTRETCH),
FE(DDCAPS_GDI),
FE(DDCAPS_OVERLAY),
FE(DDCAPS_OVERLAYCANTCLIP),
FE(DDCAPS_OVERLAYFOURCC),
FE(DDCAPS_OVERLAYSTRETCH),
FE(DDCAPS_PALETTE),
FE(DDCAPS_PALETTEVSYNC),
FE(DDCAPS_READSCANLINE),
FE(DDCAPS_STEREOVIEW),
FE(DDCAPS_VBI),
FE(DDCAPS_ZBLTS),
FE(DDCAPS_ZOVERLAYS),
FE(DDCAPS_COLORKEY),
FE(DDCAPS_ALPHA),
FE(DDCAPS_COLORKEYHWASSIST),
FE(DDCAPS_NOHARDWARE),
FE(DDCAPS_BLTCOLORFILL),
FE(DDCAPS_BANKSWITCHED),
FE(DDCAPS_BLTDEPTHFILL),
FE(DDCAPS_CANCLIP),
FE(DDCAPS_CANCLIPSTRETCHED),
FE(DDCAPS_CANBLTSYSMEM)
};
static const flag_info flags2[] = {
FE(DDCAPS2_CERTIFIED),
FE(DDCAPS2_NO2DDURING3DSCENE),
FE(DDCAPS2_VIDEOPORT),
FE(DDCAPS2_AUTOFLIPOVERLAY),
FE(DDCAPS2_CANBOBINTERLEAVED),
FE(DDCAPS2_CANBOBNONINTERLEAVED),
FE(DDCAPS2_COLORCONTROLOVERLAY),
FE(DDCAPS2_COLORCONTROLPRIMARY),
FE(DDCAPS2_CANDROPZ16BIT),
FE(DDCAPS2_NONLOCALVIDMEM),
FE(DDCAPS2_NONLOCALVIDMEMCAPS),
FE(DDCAPS2_NOPAGELOCKREQUIRED),
FE(DDCAPS2_WIDESURFACES),
FE(DDCAPS2_CANFLIPODDEVEN),
FE(DDCAPS2_CANBOBHARDWARE),
FE(DDCAPS2_COPYFOURCC),
FE(DDCAPS2_PRIMARYGAMMA),
FE(DDCAPS2_CANRENDERWINDOWED),
FE(DDCAPS2_CANCALIBRATEGAMMA),
FE(DDCAPS2_FLIPINTERVAL),
FE(DDCAPS2_FLIPNOVSYNC),
FE(DDCAPS2_CANMANAGETEXTURE),
FE(DDCAPS2_TEXMANINNONLOCALVIDMEM),
FE(DDCAPS2_STEREO),
FE(DDCAPS2_SYSTONONLOCAL_AS_SYSTOLOCAL)
};
static const flag_info flags3[] = {
FE(DDCKEYCAPS_DESTBLT),
FE(DDCKEYCAPS_DESTBLTCLRSPACE),
FE(DDCKEYCAPS_DESTBLTCLRSPACEYUV),
FE(DDCKEYCAPS_DESTBLTYUV),
FE(DDCKEYCAPS_DESTOVERLAY),
FE(DDCKEYCAPS_DESTOVERLAYCLRSPACE),
FE(DDCKEYCAPS_DESTOVERLAYCLRSPACEYUV),
FE(DDCKEYCAPS_DESTOVERLAYONEACTIVE),
FE(DDCKEYCAPS_DESTOVERLAYYUV),
FE(DDCKEYCAPS_SRCBLT),
FE(DDCKEYCAPS_SRCBLTCLRSPACE),
FE(DDCKEYCAPS_SRCBLTCLRSPACEYUV),
FE(DDCKEYCAPS_SRCBLTYUV),
FE(DDCKEYCAPS_SRCOVERLAY),
FE(DDCKEYCAPS_SRCOVERLAYCLRSPACE),
FE(DDCKEYCAPS_SRCOVERLAYCLRSPACEYUV),
FE(DDCKEYCAPS_SRCOVERLAYONEACTIVE),
FE(DDCKEYCAPS_SRCOVERLAYYUV),
FE(DDCKEYCAPS_NOCOSTOVERLAY)
};
static const flag_info flags4[] = {
FE(DDFXCAPS_BLTALPHA),
FE(DDFXCAPS_OVERLAYALPHA),
FE(DDFXCAPS_BLTARITHSTRETCHYN),
FE(DDFXCAPS_BLTARITHSTRETCHY),
FE(DDFXCAPS_BLTMIRRORLEFTRIGHT),
FE(DDFXCAPS_BLTMIRRORUPDOWN),
FE(DDFXCAPS_BLTROTATION),
FE(DDFXCAPS_BLTROTATION90),
FE(DDFXCAPS_BLTSHRINKX),
FE(DDFXCAPS_BLTSHRINKXN),
FE(DDFXCAPS_BLTSHRINKY),
FE(DDFXCAPS_BLTSHRINKYN),
FE(DDFXCAPS_BLTSTRETCHX),
FE(DDFXCAPS_BLTSTRETCHXN),
FE(DDFXCAPS_BLTSTRETCHY),
FE(DDFXCAPS_BLTSTRETCHYN),
FE(DDFXCAPS_OVERLAYARITHSTRETCHY),
FE(DDFXCAPS_OVERLAYARITHSTRETCHYN),
FE(DDFXCAPS_OVERLAYSHRINKX),
FE(DDFXCAPS_OVERLAYSHRINKXN),
FE(DDFXCAPS_OVERLAYSHRINKY),
FE(DDFXCAPS_OVERLAYSHRINKYN),
FE(DDFXCAPS_OVERLAYSTRETCHX),
FE(DDFXCAPS_OVERLAYSTRETCHXN),
FE(DDFXCAPS_OVERLAYSTRETCHY),
FE(DDFXCAPS_OVERLAYSTRETCHYN),
FE(DDFXCAPS_OVERLAYMIRRORLEFTRIGHT),
FE(DDFXCAPS_OVERLAYMIRRORUPDOWN)
};
static const flag_info flags5[] = {
FE(DDFXALPHACAPS_BLTALPHAEDGEBLEND),
FE(DDFXALPHACAPS_BLTALPHAPIXELS),
FE(DDFXALPHACAPS_BLTALPHAPIXELSNEG),
FE(DDFXALPHACAPS_BLTALPHASURFACES),
FE(DDFXALPHACAPS_BLTALPHASURFACESNEG),
FE(DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND),
FE(DDFXALPHACAPS_OVERLAYALPHAPIXELS),
FE(DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG),
FE(DDFXALPHACAPS_OVERLAYALPHASURFACES),
FE(DDFXALPHACAPS_OVERLAYALPHASURFACESNEG)
};
static const flag_info flags6[] = {
FE(DDPCAPS_4BIT),
FE(DDPCAPS_8BITENTRIES),
FE(DDPCAPS_8BIT),
FE(DDPCAPS_INITIALIZE),
FE(DDPCAPS_PRIMARYSURFACE),
FE(DDPCAPS_PRIMARYSURFACELEFT),
FE(DDPCAPS_ALLOW256),
FE(DDPCAPS_VSYNC),
FE(DDPCAPS_1BIT),
FE(DDPCAPS_2BIT),
FE(DDPCAPS_ALPHA),
};
static const flag_info flags7[] = {
FE(DDSVCAPS_RESERVED1),
FE(DDSVCAPS_RESERVED2),
FE(DDSVCAPS_RESERVED3),
FE(DDSVCAPS_RESERVED4),
FE(DDSVCAPS_STEREOSEQUENTIAL),
};
DPRINTF(" - dwSize : %ld\n", lpcaps->dwSize);
DPRINTF(" - dwCaps : "); DDRAW_dump_flags(lpcaps->dwCaps, flags1, sizeof(flags1)/sizeof(flags1[0]));
DPRINTF(" - dwCaps2 : "); DDRAW_dump_flags(lpcaps->dwCaps2, flags2, sizeof(flags2)/sizeof(flags2[0]));
DPRINTF(" - dwCKeyCaps : "); DDRAW_dump_flags(lpcaps->dwCKeyCaps, flags3, sizeof(flags3)/sizeof(flags3[0]));
DPRINTF(" - dwFXCaps : "); DDRAW_dump_flags(lpcaps->dwFXCaps, flags4, sizeof(flags4)/sizeof(flags4[0]));
DPRINTF(" - dwFXAlphaCaps : "); DDRAW_dump_flags(lpcaps->dwFXAlphaCaps, flags5, sizeof(flags5)/sizeof(flags5[0]));
DPRINTF(" - dwPalCaps : "); DDRAW_dump_flags(lpcaps->dwPalCaps, flags6, sizeof(flags6)/sizeof(flags6[0]));
DPRINTF(" - dwSVCaps : "); DDRAW_dump_flags(lpcaps->dwSVCaps, flags7, sizeof(flags7)/sizeof(flags7[0]));
DPRINTF("...\n");
DPRINTF(" - dwNumFourCCCodes : %ld\n", lpcaps->dwNumFourCCCodes);
DPRINTF(" - dwCurrVisibleOverlays : %ld\n", lpcaps->dwCurrVisibleOverlays);
DPRINTF(" - dwMinOverlayStretch : %ld\n", lpcaps->dwMinOverlayStretch);
DPRINTF(" - dwMaxOverlayStretch : %ld\n", lpcaps->dwMaxOverlayStretch);
DPRINTF("...\n");
DPRINTF(" - ddsCaps : "); DDRAW_dump_DDSCAPS2(&lpcaps->ddsCaps); DPRINTF("\n");
}
/* Debug function that can be helpful to debug various surface-related problems */
static int get_shift(DWORD color_mask) {
int shift = 0;
while (color_mask > 0xFF) {
color_mask >>= 1;
shift += 1;
}
while ((color_mask & 0x80) == 0) {
color_mask <<= 1;
shift -= 1;
}
return shift;
}
void DDRAW_dump_surface_to_disk(IDirectDrawSurfaceImpl *surface, FILE *f)
{
int i;
DDRAW_dump_surface_desc(&(surface->surface_desc));
fprintf(f, "P6\n%ld %ld\n255\n", surface->surface_desc.dwWidth, surface->surface_desc.dwHeight);
if (surface->surface_desc.u4.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
unsigned char table[256][3];
unsigned char *src = (unsigned char *) surface->surface_desc.lpSurface;
if (surface->palette == NULL) {
fclose(f);
return;
}
for (i = 0; i < 256; i++) {
table[i][0] = surface->palette->palents[i].peRed;
table[i][1] = surface->palette->palents[i].peGreen;
table[i][2] = surface->palette->palents[i].peBlue;
}
for (i = 0; i < surface->surface_desc.dwHeight * surface->surface_desc.dwWidth; i++) {
unsigned char color = *src++;
fputc(table[color][0], f);
fputc(table[color][1], f);
fputc(table[color][2], f);
}
} else if (surface->surface_desc.u4.ddpfPixelFormat.dwFlags & DDPF_RGB) {
int red_shift, green_shift, blue_shift;
red_shift = get_shift(surface->surface_desc.u4.ddpfPixelFormat.u2.dwRBitMask);
green_shift = get_shift(surface->surface_desc.u4.ddpfPixelFormat.u3.dwGBitMask);
blue_shift = get_shift(surface->surface_desc.u4.ddpfPixelFormat.u4.dwBBitMask);
for (i = 0; i < surface->surface_desc.dwHeight * surface->surface_desc.dwWidth; i++) {
int color;
int comp;
if (surface->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 8) {
color = ((unsigned char *) surface->surface_desc.lpSurface)[i];
} else if (surface->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16) {
color = ((unsigned short *) surface->surface_desc.lpSurface)[i];
} else if (surface->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 32) {
color = ((unsigned int *) surface->surface_desc.lpSurface)[i];
} else {
/* Well, this won't work on platforms without support for non-aligned memory accesses or big endian :-) */
color = *((unsigned int *) (((char *) surface->surface_desc.lpSurface) + (3 * i)));
}
comp = color & surface->surface_desc.u4.ddpfPixelFormat.u2.dwRBitMask;
fputc(red_shift > 0 ? comp >> red_shift : comp << -red_shift, f);
comp = color & surface->surface_desc.u4.ddpfPixelFormat.u3.dwGBitMask;
fputc(green_shift > 0 ? comp >> green_shift : comp << -green_shift, f);
comp = color & surface->surface_desc.u4.ddpfPixelFormat.u4.dwBBitMask;
fputc(blue_shift > 0 ? comp >> blue_shift : comp << -blue_shift, f);
}
}
fclose(f);
}
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